On Thu, Apr 8, 2021 at 8:52 AM Masahiko Sawada <sawada.m...@gmail.com> wrote: > > On Thu, Apr 8, 2021 at 12:17 PM Amit Kapila <amit.kapil...@gmail.com> wrote: > > > > On Wed, Apr 7, 2021 at 5:11 PM Masahiko Sawada <sawada.m...@gmail.com> > > wrote: > > > > > > On Wed, Apr 7, 2021 at 7:00 PM Amit Kapila <amit.kapil...@gmail.com> > > > wrote: > > > > > > > > During recent developments in the vacuum, it has been noticed [1] that > > > > parallel vacuum workers don't use any buffer access strategy. I think > > > > we can fix it either by propagating the required information from the > > > > leader or just get the access strategy in each worker separately. The > > > > patches for both approaches for PG-13 are attached. > > > > > > Thank you for starting the new thread. > > > > > > I'd prefer to just have parallel vacuum workers get BAS_VACUUM buffer > > > access strategy. If we want to have set different buffer access > > > strategies or ring buffer sizes for the leader and worker processes, > > > the former approach would be better. But I think we're unlikely to > > > want to do that, especially in back branches. > > > > > > > Fair enough. Just to be clear, you prefer to go with > > fix_access_strategy_workers_11.patch, right? > > That's right. >
Okay, I'll wait for a day or two to see if anyone else has comments or suggestions. -- With Regards, Amit Kapila.